MAR5 Prefixes

G4 SoR

Prefixes

Student Facing
March 4, 2025

MRS Icons

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LO: After today you will be able to use prefixes to
decode multisyllabic words.

DOL: Given a text, students will correctly use
prefixes to decode multisyllabic words in at least 2
of 3 questions.

TEKS: ELA.4.2B.v Demonstrate and apply spelling knowledge by spelling words using knowledge of prefixes.

4

Vocabulary:
prefix

TEKS: ELA.4.2B.v Demonstrate and apply spelling knowledge by spelling words using knowledge of prefixes.

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Tell your neighbor what a prefix is.

Introduction

What are prefixes?

Understanding

Prefixes

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Instagram

re-
un-
dis-

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Prefixes re-, un-, and dis-

What Are Prefixes?

What are prefixes?

Read about what prefixes are and

why we use them

Prefixes are word
parts added to the
beginning of a word.

We use
them to
decode a
word and
understand
its meaning.

Introduction

re-

dis-

un-

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Prefixes re-, un-, and dis-

Understanding Prefixes

What does the prefix “re-” mean?

Prefixes:

Prefixes change the meaning

of words! Learning them

helps you read and

understand new words

easily.

re

view

base word

prefix

re

view
Before a test, we review what
we learned in class.

Introduction

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Prefixes re-, un-, and dis-

Understanding Prefixes

What does the prefix “re-” mean?

Prefixes:

Prefixes change the meaning

of words! Learning them

helps you read and

understand new words

easily.

re

view

base word

prefix

re

again

view

to see or look at

review = to look at again

Before a test, we review what
we learned in class.

Introduction

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Understanding Prefixes

Prefixes

Introduction

Prefixes and Their Meanings

un-

dis-

undecided

disapprove

Quick response card: Can you think of another word that starts with ‘un-’
or ‘dis-’ and explain its meaning? Autobot tell your Decepticon.

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Understanding Prefixes

Prefixes

Introduction

Prefixes and Their Meanings

un-

dis-

not

opposite

undecided

disapprove

not

decided

opposite

of an

approval

Use the word undecided or disapprove in a sentence.

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Understanding Prefixes

Prefixes

Introduction

Prefixes and Their Meanings

re-

?

not

reapply
apply
again

not

certain

Quick response card: How do prefixes change the meaning of
words?

?

What prefix
means “not”?

Can you think of a

word with the prefix?

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Understanding Prefixes

Prefixes

Introduction

Prefixes and Their Meanings

re-

not

reapply
apply
again

not

certain

Quick response card: How do prefixes change the meaning of
words?

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Understanding Prefixes

Prefixes

Introduction

Prefixes and Their Meanings

re-

?

again

not

reapply
apply
again

not

certain

Quick response card: How do prefixes change the meaning of
words?

?

What prefix
means “not”?

Can you think of a

word with the prefix?

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Prefixes

Prefix Partners

Prefixes re–, un–, and dis– in multisyllabic words

re

again

un

not

dis

opposite

Choose a word from the word list to complete each sentence. What
is the meaning of the new word?

1.Malik felt a lot of ______ after he fell

off his bike

2.Lila looked at the _____ present with

excitement.

3.My mom used a needle and thread to

_______the button.

Introduction

recover

unexpected

disagree

refasten

discomfort

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Prefixes

Prefix Partners

Prefixes re–, un–, and dis– in multisyllabic words

re

again

un

not

dis

opposite

Choose a word from the word list to complete each sentence. What
is the meaning of the new word?

1.Malik felt a lot of ______ after he fell

off his bike

2.Lila looked at the _____ present with

excitement.

3.My mom used a needle and thread to

_______the button.

Introduction

recover

unexpected

disagree

refasten

discomfort

discomfo

rt

unexpect

ed

refasten

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Prefixes

Prefix Partners

Blend and Read

Introduction

Directions:
★Read each line

aloud.

★At the end of

each line,
discuss:
○What prefixes

do you see?

○How does

recognizing
each prefix
help you to
decode the
words?

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Prefixes

Fluency

What is intonation?

Home

When reading, let
your voice go up or
down to match the

meaning or feeling of

the sentence.

Use a happy, excited,

or serious tone to

match the mood of the
characters or events

in the story.

When you see a

question mark, raise
your voice a little at
the end so it sounds
like you’re asking a

question.

Using intonation helps

others understand
what’s happening in
the story and keeps
them interested in

what you’re reading.

Fluency

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Prefixes

Fluency

Reading with Intonation

Home

➢I will demonstrate how to read the passage with Intonation.
➢After I finish reading the paragraph, you will read it along with me.

A Trip to Remember

Monica was so excited! She was visiting her

cousin Ben in Arizona, and today they were going to

see the Grand Canyon. Monica had never been to

the Southwest. She lived in the Red River Valley of

Minnesota, where the natural landscape was very

different from the Southwest.

Fluency

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Prefixes

Fluency

Reading with Intonation

Home

Fluency

Autobot

Decepticon

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Prefixes

Mastering Prefixes

Read the text below. Then answers the questions that follow.

Home

A Mysterious Discovery

(1) Sarah was unhappy when she realized she had
lost her favorite notebook. (2) She searched
everywhere but could not find it, so she started to
disagree with her brother, who claimed he hadn’t
seen it. (3) Frustrated, she decided to recount her
steps from the day before. (4) As she thought
carefully, she remembered leaving it in the library
after she had rescheduled her study session. (5) She
hurried back and felt relieved when she found it
exactly where she had left it.

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Prefixes

Mastering Prefixes

Read the text below. Then answers the questions that follow.

Home

A Mysterious Discovery

(1) Sarah was unhappy when she realized she had
lost her favorite notebook. (2) She searched
everywhere but could not find it, so she started to
disagree with her brother, who claimed he hadn’t
seen it. (3) Frustrated, she decided to recount her
steps from the day before. (4) As she thought
carefully, she remembered leaving it in the library
after she had rescheduled her study session. (5) She
hurried back and felt relieved when she found it
exactly where she had left it.

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Understanding Prefixes

Mastering Prefixes

Read the text below. Then answers the question that follows.

Home

A Mysterious Discovery

(1) Sarah was unhappy when she
realized she had lost her favorite
notebook. (2) She searched
everywhere but could not find it, so
she started to disagree with her
brother, who claimed he hadn’t seen
it. (3) Frustrated, she decided to
recount her steps from the day
before. (4) As she thought carefully,
she remembered leaving it in the
library after she had rescheduled her
study session. (5) She hurried back
and felt relieved when she found it
exactly where she had left it.

The prefix un- helps the reader know that the
word unhappy in sentence 1 means —

Ⓐ somewhat pleased

Ⓑ partly excited

Ⓒ ready to give up

Ⓓ not pleased

Un = not

Multiple Choice

The prefix un- helps the reader know that the word unhappy in sentence 1 means —

• a

• b

• c

• d

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Understanding Prefixes

Mastering Prefixes

Read the text below. Then answers the question that follows.

Home

A Mysterious Discovery

(1) Sarah was unhappy when she
realized she had lost her favorite
notebook. (2) She searched
everywhere but could not find it, so
she started to disagree with her
brother, who claimed he hadn’t seen
it. (3) Frustrated, she decided to
recount her steps from the day
before. (4) As she thought carefully,
she remembered leaving it in the
library after she had rescheduled her
study session. (5) She hurried back
and felt relieved when she found it
exactly where she had left it.

The prefix un- helps the reader know that the
word unhappy in sentence 1 means —

Ⓐ somewhat pleased

Ⓑ partly excited

Ⓒ ready to give up

Ⓓ not pleased

Un = not

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Prefixes

Mastering Prefixes

Read the text below. Then answers the questions that follow.

Home

A Mysterious Discovery

(1) Sarah was unhappy when she
realized she had lost her favorite
notebook. (2) She searched
everywhere but could not find it, so
she started to disagree with her
brother, who claimed he hadn’t seen
it. (3) Frustrated, she decided t
recount her steps from the day
before. (4) As she thought carefully,
she remembered leaving it in the
library after she had rescheduled her
study session. (5) She hurried back
and felt relieved when she found it
exactly where she had left it.

In sentence 2, the prefix dis- helps the reader
determine that the word disagree means —

Ⓐ somewhat agree

Ⓑ partly agree

Ⓒ opposite of agree

Ⓓ to agree again

dis=

opposite

Multiple Choice

In sentence 2, the prefix dis- helps the reader
determine that the word disagree means —

• a

• b

• c

• d

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Prefixes

Mastering Prefixes

Read the text below. Then answers the questions that follow.

Home

A Mysterious Discovery

(1) Sarah was unhappy when she
realized she had lost her favorite
notebook. (2) She searched
everywhere but could not find it, so
she started to disagree with her
brother, who claimed he hadn’t seen
it. (3) Frustrated, she decided to
recount her steps from the day
before. (4) As she thought carefully,
she remembered leaving it in the
library after she had rescheduled her
study session. (5) She hurried back
and felt relieved when she found it
exactly where she had left it.

In sentence 2, the prefix dis- helps the reader
determine that the word disagree means —

Ⓐ somewhat agree

Ⓑ partly agree

Ⓒ opposite of agree

Ⓓ to agree again

dis=

opposite

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Prefixes

Mastering Prefixes

Read the question carefully. Then enter your answer in the box provided.

Home

A Mysterious Discovery

(1) Sarah was unhappy when she
realized she had lost her favorite
notebook. (2) She searched
everywhere but could not find it, so
she started to disagree with her
brother, who claimed he hadn’t seen
it. (3) Frustrated, she decided to
recount her steps from the day
before. (4) As she thought carefully,
she remembered leaving it in the
library after she had rescheduled her
study session. (5) She hurried back
and felt relieved when she found it
exactly where she had left it.

re= ?

In sentence 4, the prefix re- helps the reader
understand that rescheduled means —

Open Ended

In sentence 4, the prefix re- helps the reader
understand that rescheduled means —

The prefix -re means .... so rescheduled means ....

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Prefixes

Mastering Prefixes

Read the question carefully. Then enter your answer in the box provided.

Home

A Mysterious Discovery

(1) Sarah was unhappy when she
realized she had lost her favorite
notebook. (2) She searched
everywhere but could not find it, so
she started to disagree with her
brother, who claimed he hadn’t seen
it. (3) Frustrated, she decided to
recount her steps from the day
before. (4) As she thought carefully,
she remembered leaving it in the
library after she had rescheduled her
study session. (5) She hurried back
and felt relieved when she found it
exactly where she had left it.

re= ?

In sentence 4, the prefix re- helps the reader
understand that rescheduled means —

to schedule again

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Great job mastering Prefixes!!!

HOT Question

Understanding and Mastering Prefixes

How does knowing the meaning of prefixes help

you figure out the meaning of new words you come

across while reading?

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What is a rerun?

31

SST DOL: SW correctly
describe the impact of the Civil
War and Reconstruction on
Texas in at least 1 of 2
questions.

Your DoL will be tomorrow after
Social Studies (Civil War).

SoR DOL: Given a text, students
will correctly use prefixes to
decode multisyllabic words in at
least 2 of 3 questions.

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Demonstration of Learning